Throughout history, the terms used for mental disability have changed drastically. Today, doctors have identified differences between terms commonly thought to mean the same thing. Identify what each of the following means and how it is different from the other terms.
1) Mental retardation-

2) Intellectual disability-

3) Developmental disability-

4) Developmental delay-

Use the Wikipedia page on “Intellectual disability” (and links from it) to answer the following questions.
5) What is an “intelligence quotient”?

6) List a few of the signs and symptoms of “mental retardation”

Read the section on that page called “History of the Condition” to answer the following
7) During The Englightenment (the 1700’s), how were the intellectually disabled treated?

8) During the Renaissance (1300’s to 1600’s)?

9) What changes occurred during the 18th and 19th centuries (1700’s and 1800’s)?

10) What changes occurred in the 1950’s and 1960’sin the U.S. and other countries?

Use the Wikipedia page on “Eating Disorders” (and links from it) to answer the following.
11) What is an eating disorder?

12) What is “binge eating disorder”?

13) What are some symptoms of binge eating disorder?

14) What are some of the speculated causes of eating disorders?

15) At the bottom of that Wikipage, under “External Links,” open BBC Headroom. Go to the section on “Overeating” and watch the video titled “Overeating.” Write a brief comment about its purpose.